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EWG's Tap Water Database — 2019 UPDATE

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Barium

Wilson County Rural Water District 1

NOTE: Wilson County Rural Water District 1 purchases water from Public Wholesale Water Supply District 23 which is required to test for barium. Sample information shown below was taken by Public Wholesale Water Supply District 23.

Barium is a mineral present in rocks, soil and water. High concentrations of barium in drinking water increase the risk of cardiovascular disease and hypertension.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201264.0 ppb1164.0 ppb
201359.0 ppb1159.0 ppb
201472.0 ppb1172.0 ppb
201563.0 ppb1163.0 ppb
201669.0 ppb1169.0 ppb
201773.0 ppb1173.0 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 700 ppb

The EWG Health Guideline of 700 ppb for barium was defined by EWG as benchmark that protects against harm to the kidneys and the cardiovascular system.

EPA Maximum Contaminant
Level (MCL) 2,000 ppb

The legal limit for barium, established in 1991, was based on a 10-week study of barium exposure in 11 adult male volunteers. This limit does not include any additional consideration of children’s health.

ppb = parts per billion

All test results

NOTE: Wilson County Rural Water District 1 purchases water from Public Wholesale Water Supply District 23 which is required to test for barium. Sample information shown below was taken by Public Wholesale Water Supply District 23.

Date Lab ID Result
2012-02-21575646WS64.0 ppb
2013-03-05592967WS59.0 ppb
2014-02-246610372.0 ppb
2015-02-1628036963.0 ppb
2016-02-2449795469.0 ppb
2017-02-2071163273.0 ppb